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31 December, 02:59

Calculate the mass of 1.25 moles of Al2 (SO4) 3

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Answers (2)
  1. 31 December, 03:08
    0
    Total molar mass of Al2 (SO4) 3:

    2 (27) + 3 (32.1) + 12 (16) = 342.3

    the mass of Al2 (SO4) 3:

    number of moles times molar mass

    = 1.25 times 342.3

    = 427.875 kg
  2. 31 December, 06:54
    0
    If we convert 1.25 into grams and round it up the answer will be 427.7
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